Object A, which has a charge of -1 Coulomb, will experience a stronger attraction towards positively charged objects. The magnitude of the charges will also affect the strength of the attraction, as described by Coulomb's law.
Among the given options:
- +2 C will be strongly attracted to -1 C.
- +1 C will also be attracted, but not as strongly as +2 C.
- –1 C will repel -1 C (since like charges repel).
- –2 C will also repel -1 C.
Therefore, the object with charge +2 C would be most strongly attracted to object A (-1 C).
Answer: +2 C